Development of an FSI environment for the aerodynamic performance assessment of flapping wings *R. Poletti (von Karman Institute for Fluid Dynamics), M. Barucca (Politecnico di Milano), L. Koloszar (von Karman Institute for Fluid Dynamics), M. Mendez (von Karman Institute for Fluid Dynamics), J. van Beeck (von Karman Institute for Fluid Dynamics), J. Degroote (Ghent University)